1. Medical University of Lodz, Department of Diagnoses and Prevention Fetal Malformations
2. Medical University of Lodz, Department of Embryology and Histology
3. Department of Prenatal Cardiology, Polish Mother's Memorial Hospital Research Institute
4. Institute of Health Sciences. The State School of Higher Professional Education in Plock
5. Department of Intesive Therapy and Newborns' Malformations, Polish Mother's Memorial Hospital, Research Institute